Home / 5,145.93-7,720.95-2,226.27

Finding the Fourth Proportional to 5,145.93, 7,720.95 and 2,226.27

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Solution

The fourth proportional to 5,145.93, 7,720.95 and 2,226.27 is: 3,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.93 : 7,720.95 = 2,226.27 : x
  2. Step 2: Convert to fraction form
    5,145.93/7,720.95 = 2,226.27/x
  3. Step 3: Cross multiply
    5,145.93x = 7,720.95 × 2,226.27
  4. Step 4: Simplify right side
    5,145.93x = 17,188,919.36
  5. Step 5: Solve for x
    x = 17,188,919.36/5,145.93
  6. Step 6: Final answer
    x = 3,340.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.